High gain ultra low noise GaAsFET preamps for receiving weak signals. Select-able gain prevents receiver intermod. 15-22 dB gain. Auto RF switching to 160W. Choose In-shack or Mast-Mount models). Model Frequency Model KP-1 In-Shack Models KP-1/10M 28-30 Mhz KP-1/6M 50-54 MHz KP-1/2M 144-148 Mhz KP-1/220 220-225 MHz KP-1/440 430-450 MHz Model KP-2 Mast Mount Models KP-2/10M 28-30 Mhz KP-2/6M 50-54 MHz KP-2/2M 144-148 Mhz KP-2/220 220-225 MHz KP-2/440 430-450 MHz In-Shack Model Features: Automatic RF Switching GaAsFET boosts weak receive signals In-Line design for easy operation High or Low switchable gain setting Gain: from 15 dB to greater than 25 dB Noise: less than 1 dB Power Handling: 100 Watts Size: 4 1/4" W x 2 5/16" H x 1 3/16" D Mast Mount Model Features: Automatic RF Switching GaAsFET boosts weak receive signals Mast Mounted design to reduce loss In-Line design for easy operation High or Low switchable gain setting Gain: from 15 dB to greater than 25 dB Noise: less than 1 dB Power Handling: 100 Watts Voltage: 12-15 VDC Size: 4 1/4" W x 2 5/16" H x 1 3/16" D Product Manuals Download Product Manual